Vehicle-mounted sign



FIG. 1 is a top, left, front perspective view of a vehicle-mounted sign, showing my new design;

FIG. 2 is a bottom, right, front perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof.

The broken line portion of the figure drawings is included to show portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a vehicle-mounted sign, as shown and described. 